/*
 * Copyright (c) 2020 - present, Inspur Genersoft Co., Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package com.inspur.edp.lcm.metadata.common.configuration;

import com.inspur.edp.lcm.metadata.api.ConfigData.MetadataConfiguration;
import com.inspur.edp.lcm.metadata.spi.MdExtendRuleSerializer;

/**
 * 元数据扩展规则序列化器帮助
 * @author zhongchq
 * @since 1.0
 */
public class MdExtRuleSerializerHelper  extends MetadataConfigurationLoader {
	private static MdExtRuleSerializerHelper singleton = null;

	private MdExtRuleSerializerHelper(){
	}

	public static MdExtRuleSerializerHelper getInstance(){
		if (singleton == null){
			singleton = new MdExtRuleSerializerHelper();
		}
		return singleton;
	}

	public MdExtendRuleSerializer getManager(String typeName)  {
		MdExtendRuleSerializer manager = null;
		MetadataConfiguration data = getMetadataConfigurationData(typeName);
		if (data != null&&data.getMdExtRuleSerializer()!=null){
			Class<?> cls;
			try {
				cls = Class.forName(data.getMdExtRuleSerializer().getName());
				manager = (MdExtendRuleSerializer)cls.newInstance();
			} catch (InstantiationException | IllegalAccessException | ClassNotFoundException e) {
				throw new RuntimeException("获取元数据扩展规则序列化器失败：" + typeName, e);
			}
		}
		return manager;
	}
}
